1 US teaspoon (tsp) = 0.30078125 cubic inches (in³). To convert, divide by 3.324675325: in³ = tsp ÷ 3.324675325. For example, 5 tsp = 1.50390625 in³.
in³ = tsp ÷ 3.324675325
US teaspoons to cubic inches table
| US teaspoons (tsp) | Cubic inches (in³) |
|---|---|
| 1 | 0.30078125 |
| 2 | 0.6015625 |
| 3 | 0.90234375 |
| 4 | 1.203125 |
| 5 | 1.50390625 |
| 10 | 3.0078125 |
| 20 | 6.015625 |
| 25 | 7.51953125 |
| 50 | 15.0390625 |
| 100 | 30.078125 |
| 250 | 75.1953125 |
| 500 | 150.390625 |
| 1,000 | 300.78125 |
The two units
US teaspoon (tsp). One third of a US tablespoon. Metric teaspoons are 5 mL.
Cubic inch (in³). A cube one inch on each side: exactly 16.387064 cubic centimeters.
Because both units are defined in terms of the same base unit, the factor 0.30078125 is exact, not a rounded measurement.
Convert US teaspoons to other units
- US teaspoons to liters — 1 tsp = 0.0049289216 L
- US teaspoons to milliliters — 1 tsp = 4.928921594 mL
- US teaspoons to cubic meters — 1 tsp = 0.0000049289 m³
- US teaspoons to US gallons — 1 tsp = 0.0013020833 gal (US)
- US teaspoons to US quarts — 1 tsp = 0.0052083333 qt (US)
- US teaspoons to US pints — 1 tsp = 0.0104166667 pt (US)
- US teaspoons to US cups — 1 tsp = 0.0208333333 cup
- US teaspoons to US fluid ounces — 1 tsp = 0.1666666667 fl oz (US)
- US teaspoons to US tablespoons — 1 tsp = 0.3333333333 tbsp
- US teaspoons to imperial gallons — 1 tsp = 0.0010842112 gal (UK)
- US teaspoons to imperial pints — 1 tsp = 0.0086736894 pt (UK)
- US teaspoons to cubic feet — 1 tsp = 0.0001740632 ft³
Convert other units to cubic inches
- Cubic inches to US teaspoons
- Liters to cubic inches
- Milliliters to cubic inches
- Cubic meters to cubic inches
- US gallons to cubic inches
- US quarts to cubic inches
- US pints to cubic inches
- US cups to cubic inches
- US fluid ounces to cubic inches
- US tablespoons to cubic inches
- Imperial gallons to cubic inches
- Imperial pints to cubic inches
- Cubic feet to cubic inches
Questions people ask
- How many cubic inches are in a US teaspoon?
- 0.30078125, exactly.
- How do you convert US teaspoons to cubic inches?
- in³ = tsp ÷ 3.324675325. It is the same as dividing by 3.324675325.
- How do you convert cubic inches back to US teaspoons?
- tsp = in³ × 3.324675325. See cubic inches to US teaspoons.
Results use the legal definitions of each unit and are checked against the Pint unit library. Display rounds to 10 significant digits. All unit conversions · More tools
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